Composite absorption core and preparation method and application thereof

The invention belongs to the technical field of hygienic products, and particularly relates to a composite absorption core and a preparation method and application thereof. The composite absorption core comprises a plurality of absorption units which are arranged in a stacked mode. Each absorption unit comprises a liquid absorption layer, a first supporting layer and a second supporting layer, wherein the first supporting layer and the second supporting layer are arranged on the two surfaces of the liquid absorption layer in a stacked mode. The first supporting layer and the second supporting layer are formed by melt-blown fibers sprayed by a spinneret plate with multiple rows of holes; and the liquid absorption layer is a melt-blown composite air-laid composite mixed-blown fiber net. The inner layer of the absorption core contains wood pulp fibers and super absorbent resin, so that the material has excellent absorption performance, the outer layer contains multi-row-hole melt-blown fibers, spinning is more s